Blue Summit Supplies Interdepartment Envelopes With String Tie 10 X 13 Inches, Brown Kraft Interoffice Envelopes With String 10X13 - Reuseable,100

Staples Button-And-String Inter-Departmental Envelopes, 10" × 13", Brown Kraft, Durable Construction, 100/Box

Staples Personal & Confidential Inter-Department Envelopes, 10 X 13, String-Tie Closure, Heavyweight Kraft, 100/Box - Secure Interoffice Mailers

Inter-Office Envelopes, Inter-Department Envelopes, 10" X 13", String & Button Tie, Double Sidded, BLUE - 5 Envelopes/Pack

Universal Light Brown KRA' String & Button Interoffice Envelope, 10" X 13, 100/Box (63568)

Blue Summit Interoffice Envelopes With String 9X12, String Tie, Brown Kraft, Interdepartment Envelopes, 9 X 12 Inches - 100 Envelopes